QR codes can now be generated and managed directly as a WhatsApp Business and users can scan them with their WhatsApp, iOS, or Android camera.
In addition, with WhatsApp QR codes
Prefilled messages are fully customizable and can be changed or deleted at any time,
Users will go directly to the app without any interstitial page, and
The in-app experience is better as users receive a clear message when a QR code has expired.